<template>
    <div>
        <div class="card card-custom gutter-b example example-compact" id="tableBody">
            <div class="card-header">
                <div class="card-title">
                    <span class="card-icon">
                        <i class="text-dark-50 flaticon-search-magnifier-interface-symbol"></i>
                    </span>
                    <h3 class="card-label"> 查询区域 </h3>
                </div>
                <div class="card-toolbar">
                    <div class="example-tools justify-content-center">
                        <!-- 
                            <span data-toggle="tooltip" class="example-toggle"></span>
                            <span data-toggle="tooltip" class="example-copy"></span> 
                        -->
                    </div>
                </div>
            </div>
            <div class="card-body">
                <!--查询条件-->
                <div class="m-form m-form--fit m-form--label-align-left m-form--group-seperator-dashed">
                    <div class="m-portlet__body">
                        <div class="form-group m-form__group row">
                            <label class="col-form-label">类型：</label>
                            <div class="col-lg-2">
                                <el-select v-model="searchForm.type" placeholder="请选择">
                                    <el-option value="">请选择</el-option>
                                    <el-option
                                    v-for="item in typeList"
                                    :key="item.value"
                                    :label="item.name"
                                    :value="item.value">
                                    </el-option>
                                </el-select>
                            </div>
                            <label class="col-form-label">原名称：</label>
                            <div class="col-md-2">
                                <input type="text" class="form-control" v-model="searchForm.title" placeholder="请输入">
                            </div>
                            <label class="col-form-label">附件名称：</label>
                            <div class="col-md-2">
                                <input type="text" class="form-control" v-model="searchForm.name" placeholder="请输入">
                            </div>                            
                        </div>
                        <div class="form-group m-form__group row">
                            <label class="col-form-label">上传时间：</label>
                            <div class="col-lg-8">
                                <el-date-picker
                                v-model="searchForm.dateRange"
                                type="datetimerange"
                                value-format="yyyy-MM-dd HH:mm:ss"
                                align="right"
                                unlink-panels
                                range-separator="至"
                                start-placeholder="开始日期"
                                end-placeholder="结束日期"
                                @change="dateFormat"
                                :picker-options="pickerOptions">
                            </el-date-picker>  
                            <b-button :pressed="false" variant="btn btn-light-primary font-weight-bold font-size-sm py-3 px-8 mr-2 ml-2" @click="search()"><span><i
                                class="flaticon-search-magnifier-interface-symbol"></i><span>查 询</span></span></b-button>
                            <b-button :pressed="false" variant="btn btn-light font-weight-bold font-size-sm py-3 px-8 mr-2 " @click="resetAll()">
                            <span><i class="flaticon2-refresh"></i><span>重 置</span></span></b-button>     
                                <!-- :disabled="this.sels.length === 0" 如果没有数据让删除按钮失效 -->
                                <button class="btn btn-light-danger font-weight-bold  font-size-sm py-3 px-8 mr-2"
                                v-permission="{ action: '/attachment/delete', effect: 'display' }"
                                @click="delAttachment"
                                    :disabled="this.sels.length === 0">
                                    <span><i class="far fa-trash-alt"></i><span>删 除</span></span>
                                </button> 
                            </div>
                        </div>
                    </div>
                    <div class="m-portlet__foot m-portlet__no-border m-portlet__foot--fit">
                        <div class="m-form__actions m-form__actions--solid">
                            <div class="row">
                                <div class="col m--align-left">                              
                                    
                                </div>
                                <div class="col m--align-right">
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
            <!--分页组件-->
            <el-table style="width: 100%" stripe border @selection-change="handleSelectionChange" highlight-current-row
                :data="dataList">        
                <template slot="empty">
                  <el-empty description="暂无数据"></el-empty>
                </template>
                <!-- 复选框 -->
                <el-table-column type="selection" width="40"></el-table-column>
                <el-table-column label="序号" min-width="50">
                    <template slot-scope="scope">
                        {{ scope.$index + 1 }}
                    </template>
                </el-table-column>
                <el-table-column align="left" prop="title" show-overflow-tooltip label="原名称"></el-table-column>
                <el-table-column align="left" prop="name" show-overflow-tooltip label="附件名称"></el-table-column>
                <el-table-column align="left" prop="type" show-overflow-tooltip label="文件类型"></el-table-column>                
                <el-table-column align="left" prop="size" show-overflow-tooltip label="文件大小"></el-table-column>
                <el-table-column align="center" prop="createBy"  label="上传者" min-width="150"></el-table-column>
                <el-table-column align="center" prop="createTime"  label="上传时间" min-width="180"></el-table-column>
                <el-table-column align="center" label="操作" fixed="left">
                    <template slot-scope="scope">
                        <!--scope.row当前行的对象-->
                        <button @click="getDetail(scope.row)" class="btn btn-link" title="详情">详 情</button>
                    </template>
                </el-table-column>
            </el-table>
            <div class="block">
                <el-pagination hide-on-single-page @size-change="handleSizeChange" @current-change="handleCurrentChange"
                    :current-page="pageNo" :page-sizes="[5, 10, 30, 50]" :page-size="pageSize"
                    layout="->,total, sizes, prev, pager, next, jumper" :total="totalCount">
                </el-pagination>
            </div>
        </div>
        <AttachmentDetail ref="attachmentDetailRef"></AttachmentDetail>
    </div>
</template>
  
<script>
import { SET_BREADCRUMB } from "@/store/breadcrumbs.module";
import AttachmentDetail from "@/view/file/attachment/attachment-detail.vue";
import Swal from "sweetalert2";
import apiUtil from "@/core/util/apiUtil.js";
import { handleNotify, handleAlert, handleConfirm, showWating, closeWating } from "@/core/util/jehcUtil.js";
export default {
    data() {
        return {
            searchForm: {dateRange:"" ,title: "",uploadSt:"",uploadEt:"" ,type: "",name:""},
            pickerOptions: {
                shortcuts: [{
                    text: '最近一周',
                    onClick(picker) {
                    const end = new Date();
                    const start = new Date();
                    start.setTime(start.getTime() - 3600 * 1000 * 24 * 7);
                    picker.$emit('pick', [start, end]);
                    }
                }, {
                    text: '最近一个月',
                    onClick(picker) {
                    const end = new Date();
                    const start = new Date();
                    start.setTime(start.getTime() - 3600 * 1000 * 24 * 30);
                    picker.$emit('pick', [start, end]);
                    }
                }, {
                    text: '最近三个月',
                    onClick(picker) {
                    const end = new Date();
                    const start = new Date();
                    start.setTime(start.getTime() - 3600 * 1000 * 24 * 90);
                    picker.$emit('pick', [start, end]);
                    }
                }]
            },
            dataList: [],
            typeList:[],
            sels: [], //当前选框选中的值
            pageNo: 1,      // 默认当前是第一页
            pageSize: 5,    // 当前每页的数据是5条
            totalCount: 0   // 总数默认为0
        }
    },
    components: {
        AttachmentDetail,
    },
    mounted() {
        this.$store.dispatch(SET_BREADCRUMB, [{ title: "附件中心" }]);
        this.initList();   // 按当前的页号和每页的数据量进行查询
        this.initTypeList();
    },
    methods: {
        initList() {
            showWating({ renderBody: "tableBody" });
            var params = {};
            params.usePageNo = true;//采用第几页进行分页（兼容）
            params.pageSize = this.pageSize;//页面显示记录条数，在页面显示每页显示多少项的时候
            params.pageNo = this.pageNo;//开始的记录序号   
            if(null != this.searchForm.uploadSt && '' != this.searchForm.uploadSt){
                params.uploadSt = this.searchForm.uploadSt;//为form元素   
            }
            if(null != this.searchForm.uploadEt && '' != this.searchForm.uploadEt){
                params.uploadEt = this.searchForm.uploadEt;
            }  
            params.name = this.searchForm.name;
            params.title = this.searchForm.title;
            params.type = this.searchForm.type;
            apiUtil.query(process.env.VUE_APP_FILE_API + "/attachment/list", params).then(({ data }) => {
                this.dataList = data.data;//给结果集赋值
                this.totalCount = data.total;// 获取当前数据的总数    
            });
        },
        dateFormat(picker) {
            if(null == picker){
                this.searchForm.uploadSt = ""
                this.searchForm.uploadEt = ""
            }else{
                this.searchForm.uploadSt = picker[0].toString()
                this.searchForm.uploadEt = picker[1].toString()
            }
        },
        handleSelectionChange(sels) {//获取选中的值
            this.sels = sels;
        },
        delAttachment() { // 删除
            if (this.sels.length === 0) {
                handleAlert("请选择删除的数据", "warning", 3)
                return;
            }
            // 删除前提示
            this.$confirm("确认删除记录吗?", "提示", { type: "warning", }).then(() => {
                let ids = this.sels.map((item) => item.id);
                // 根据后台想要的参数格式选择
                apiUtil.delete(process.env.VUE_APP_FILE_API + "/attachment/delete?id=" + ids.join(",")).then(data => {
                    if (data.data.success) {
                        handleAlert("删除成功", "success", 3);
                        this.search();
                    } else {
                        handleAlert("删除失败", "error", 3);
                    }
                });
            }).catch(() => { });//注意这里，这里是重点！！！;        
        },
        handleSizeChange(val) { // 修改每页所存数据量的值所触发的函数
            this.pageSize = val;  // 修改页的大小
            this.initList();       // 按新的pageNo和pageSize进行查询
        },
        handleCurrentChange(val) { // 修改当前页所触发的函数
            this.pageNo = val;       // 更新当前的页
            this.initList();          // 按新的pageNo和pageSize进行查询
        },
        search() {
            this.pageNo = 1;       // 更新当前的页
            this.initList();          // 按新的pageNo和pageSize进行查询
        },
        resetAll() {
            Object.assign(this.$data.searchForm, this.$options.data().searchForm);
            this.search();
        },
        getDetail(row) {
            this.$refs.attachmentDetailRef.showModal(row.id);
        },
        initTypeList(){
            let params = {};
            apiUtil.query(process.env.VUE_APP_SYS_API+"/sysCommon/sysDataDictionary/list/FTYPE", params).then(({ data }) => {
                this.typeList = data.data;
            });
        },
    }
};
</script>